CN209133544U - A kind of column lithium ion battery with resistance dirt insulating trip - Google Patents
A kind of column lithium ion battery with resistance dirt insulating trip Download PDFInfo
- Publication number
- CN209133544U CN209133544U CN201822006810.4U CN201822006810U CN209133544U CN 209133544 U CN209133544 U CN 209133544U CN 201822006810 U CN201822006810 U CN 201822006810U CN 209133544 U CN209133544 U CN 209133544U
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- Prior art keywords
- insulating trip
- core
- round insulation
- insulation piece
- lithium ion
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
- Y02E60/10—Energy storage using batteries
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/50—Manufacturing or production processes characterised by the final manufactured product
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Abstract
The utility model provides a kind of column lithium ion battery with resistance dirt insulating trip, it includes battery case and is set to the intracorporal core of battery case, core is by anode pole piece, cathode pole piece and membrane winding are formed, the first core end and the second core end are respectively formed in the axial direction of core, the first round insulation piece is fixedly connected on first core end, first round insulation piece is insulated screens, its surface is provided with multiple first sieve pores, the second round insulation piece is fixedly connected on second core end, second round insulation piece is insulated screens, its surface is provided with multiple second sieve pores.On the one hand the utility model is conducive to the time of penetration of reduction electrolyte after battery core fluid injection, raising efficiency compared to the prior art；On the other hand it prevents foreign metal dust from entering inside battery core, avoids internal short-circuit, promote security performance.
Description
Technical field
The utility model relates to field of lithium ion battery, and in particular to a kind of column lithium ion with resistance dirt insulating trip
Battery.
Background technique
Core inside column lithium ion battery is made of anode pole piece, cathode pole piece, diaphragm, wherein the insulation installed
The effect of body is in order to avoid anode pole piece is contacted with positive cover and cathode pole piece and cathode pot contact, to prevent battery core
Internal short-circuit.
But currently widely used insulator is the PET material insulating trip of 1 to 10 hole of band, one side of the insulating trip
Face is unfavorable for the infiltration of electrolyte, influences the service life of battery, and another aspect inside battery metal impurities easily enter in battery
Portion forms short dot, causes internal short-circuit of battery, there are security risks.
Utility model content
In consideration of it, the utility model provides a kind of column lithium ion battery with resistance dirt insulating trip, on the one hand solve
Certainly after battery core fluid injection the problem of electrolyte permeability time length, low efficiency；On the other hand foreign metal dust is solved to enter in battery core
Cause the problem of internal short-circuit in portion.
For this purpose, the utility model provides a kind of column lithium ion battery with resistance dirt insulating trip comprising battery
Shell and it is set to the intracorporal core of battery case, core is formed by anode pole piece, cathode pole piece and membrane winding, core
It is respectively formed the first core end and the second core end in the axial direction in portion, is fixedly connected with the first round insulation on the first core end
Piece, the first round insulation piece are insulated screens, and surface is provided with multiple first sieve pores, and the is fixedly connected on the second core end
Two round insulation pieces, the second round insulation piece are insulated screens, and surface is provided with multiple second sieve pores.
Further, above-mentioned first round insulation piece is PP insulating trip, PE insulating trip, PI insulating trip or PET insulating trip；
Second round insulation piece is PP insulating trip, PE insulating trip, PI insulating trip or PET insulating trip.
Further, the mesh number of above-mentioned multiple first sieve pores is 500-10000 mesh；The mesh number of multiple second sieve pores is 500-
10000 mesh.
Further, above-mentioned first sieve pore is circular hole, and aperture is 1.3-25 μm；Second sieve pore is circular hole, and aperture is
1.3-25μm。
Further, above-mentioned first round insulation piece with a thickness of 0.05-0.5mm；Second round insulation piece with a thickness of
0.05-0.5mm。
Further, it is fixedly connected between above-mentioned first core end and the first round insulation piece by the first adhesive layer；The
It is fixedly connected between two core ends and the second round insulation piece by the second adhesive layer.
Further, above-mentioned first adhesive layer is acrylic compounds adhesive layer or methacrylic adhesive layer；Second glue
Adhesion coating is acrylic compounds adhesive layer or methacrylic adhesive layer.
A kind of column lithium ion battery with resistance dirt insulating trip provided by the utility model, insulated screens are pacified
Traditional insulator is replaced loaded on cylindrical electrical core core both ends, is on the one hand conducive to the infiltration of reduction electrolyte after battery core fluid injection
Time, raising efficiency；On the other hand it prevents foreign metal dust from entering inside battery core, avoids internal short-circuit, promote security performance.
Detailed description of the invention
By reading the following detailed description of the preferred embodiment, various other advantages and benefits are common for this field
Technical staff will become clear.The drawings are only for the purpose of illustrating a preferred embodiment, and is not considered as practical to this
Novel limitation.And throughout the drawings, the same reference numbers will be used to refer to the same parts.In the accompanying drawings:
Fig. 1 is a kind of structure of column lithium ion battery with resistance dirt insulating trip provided by the embodiment of the utility model
Schematic diagram；
Fig. 2 is first in a kind of column lithium ion battery with resistance dirt insulating trip provided by the embodiment of the utility model
The mounting structure schematic diagram of round insulation piece；
Fig. 3 is second in a kind of column lithium ion battery with resistance dirt insulating trip provided by the embodiment of the utility model
The mounting structure schematic diagram of round insulation piece.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
Embodiment one:
Referring to Fig. 1 to Fig. 3, a kind of circle with resistance dirt insulating trip of the offer of the utility model embodiment one is shown in figure
Cylindricality lithium ion battery comprising battery case and be set to the intracorporal core 1 of battery case, core 1 by anode pole piece,
Cathode pole piece and membrane winding are formed, and are respectively formed the first core end 11 and the second core end 12 in the axial direction of core 1, and first
The first round insulation piece 13 is fixedly connected on core end 11, the first round insulation piece 13 is insulated screens, and surface is provided with
Multiple first sieve pores 131 are fixedly connected with the second round insulation piece 14 on second core end 12, and the second round insulation piece 14 is exhausted
Edge sieve, surface are provided with multiple second sieve pores 141.
Specifically, the first round insulation piece 13 is PP insulating trip, PE insulating trip, PI insulating trip or PET insulating trip；Second
Round insulation piece 14 is PP insulating trip, PE insulating trip, PI insulating trip or PET insulating trip.
Again specifically, the mesh number of multiple first sieve pores 131 is 500-10000 mesh；The mesh number of multiple second sieve pores 141 is
500-10000 mesh, to promote insulation effect.
Again specifically, the first sieve pore 131 is circular hole, and aperture is 1.3-25 μm；Second sieve pore 141 is circular hole, aperture
It is 1.3-25 μm, to promote insulation effect.
Again specifically, the first round insulation piece 13 with a thickness of 0.05-0.5mm；Second round insulation piece 14 with a thickness of
0.05-0.5mm, to promote insulation effect.
A kind of column lithium ion battery with resistance dirt insulating trip, insulated screens are installed provided by the present embodiment
Traditional insulator is replaced in cylindrical electrical core core both ends, when being on the one hand conducive to reduce the infiltration of electrolyte after battery core fluid injection
Between, raising efficiency；On the other hand it prevents foreign metal dust from entering inside battery core, avoids internal short-circuit, promote security performance.
Embodiment two:
Referring to Fig. 1 to Fig. 3, a kind of circle with resistance dirt insulating trip of the offer of the utility model embodiment two is shown in figure
Cylindricality lithium ion battery makes on the basis of the above embodiment 1 between the first core end 11 and the first round insulation piece 13
It is fixedly connected by the first adhesive layer 132；Pass through the second adhesive layer 142 between second core end 12 and the second round insulation piece 14
It is fixedly connected.
Specifically, the first adhesive layer 132 is acrylic compounds adhesive layer or methacrylic adhesive layer；Second adhesive layer
142 be acrylic compounds adhesive layer or methacrylic adhesive layer.
By the setting of above structure, the firm installation of insulating trip may be implemented, and in order to improve thermal diffusivity, insulating trip
The center point offer circular hole.
Obviously, it is practical without departing from this can to carry out various modification and variations to the utility model by those skilled in the art
Novel spirit and scope.If in this way, these modifications and variations of the present invention belong to the utility model claims and
Within the scope of its equivalent technologies, then the utility model is also intended to include these modifications and variations.
Claims (7)
1. a kind of column lithium ion battery with resistance dirt insulating trip, which is characterized in that including battery case and be set to
The intracorporal core of battery case (1), the core (1) is formed by anode pole piece, cathode pole piece and membrane winding, described
The first core end (11) and the second core end (12) are respectively formed in the axial direction of core (1), on first core end (11)
It is fixedly connected with the first round insulation piece (13), the first round insulation piece (13) is insulated screens, and surface is provided with more
A first sieve pore (131) is fixedly connected with the second round insulation piece (14) on second core end (12), and described second is round
Insulating trip (14) is insulated screens, and surface is provided with multiple second sieve pores (141).
2. a kind of column lithium ion battery with resistance dirt insulating trip according to claim 1, which is characterized in that described
First round insulation piece (13) is PP insulating trip, PE insulating trip, PI insulating trip or PET insulating trip；Second round insulation
Piece (14) is PP insulating trip, PE insulating trip, PI insulating trip or PET insulating trip.
3. a kind of column lithium ion battery with resistance dirt insulating trip according to claim 1, which is characterized in that described
The mesh number of multiple first sieve pores (131) is 500-10000 mesh；The mesh number of the multiple second sieve pore (141) is 500-10000
Mesh.
4. a kind of column lithium ion battery with resistance dirt insulating trip according to claim 1 or 3, which is characterized in that
First sieve pore (131) is circular hole, and aperture is 1.3-25 μm；Second sieve pore (141) is circular hole, aperture 1.3-
25μm。
5. a kind of column lithium ion battery with resistance dirt insulating trip according to claim 1, which is characterized in that described
First round insulation piece (13) with a thickness of 0.05-0.5mm；The second round insulation piece (14) with a thickness of 0.05-
0.5mm。
6. a kind of column lithium ion battery with resistance dirt insulating trip according to claim 1, which is characterized in that described
It is fixedly connected between first core end (11) and the first round insulation piece (13) by the first adhesive layer (132)；Described
It is fixedly connected between two core ends (12) and the second round insulation piece (14) by the second adhesive layer (142).
7. a kind of column lithium ion battery with resistance dirt insulating trip according to claim 6, which is characterized in that described
First adhesive layer (132) is acrylic compounds adhesive layer or methacrylic adhesive layer；Second adhesive layer (142) is third
Olefin(e) acid class adhesive layer or methacrylic adhesive layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822006810.4U CN209133544U (en) | 2018-11-30 | 2018-11-30 | A kind of column lithium ion battery with resistance dirt insulating trip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201822006810.4U CN209133544U (en) | 2018-11-30 | 2018-11-30 | A kind of column lithium ion battery with resistance dirt insulating trip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209133544U true CN209133544U (en) | 2019-07-19 |
Family
ID=67247675
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201822006810.4U Active CN209133544U (en) | 2018-11-30 | 2018-11-30 | A kind of column lithium ion battery with resistance dirt insulating trip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209133544U (en) |
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2018
- 2018-11-30 CN CN201822006810.4U patent/CN209133544U/en active Active
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